# Ruth Doris Koidan

> Ph.D. The George Washington University 1969

**Wikidata**: [Q102178447](https://www.wikidata.org/wiki/Q102178447)  
**Source**: https://4ort.xyz/entity/ruth-doris-koidan


## References

1. [Source](https://www.legacy.com/obituaries/name/ruth-koidan-obituary?pid=190257571)
2. Mathematics Genealogy Project
3. [Source](https://archive.org/details/nasa_techdoc_19900066808/mode/2up)